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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/midi/midi_manager_mac.h" | 5 #include "media/midi/midi_manager_mac.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
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154 | 154 |
155 void MidiManagerMac::InitializeCoreMIDI() { | 155 void MidiManagerMac::InitializeCoreMIDI() { |
156 DCHECK(client_thread_.task_runner()->BelongsToCurrentThread()); | 156 DCHECK(client_thread_.task_runner()->BelongsToCurrentThread()); |
157 | 157 |
158 // CoreMIDI registration. | 158 // CoreMIDI registration. |
159 DCHECK_EQ(0u, midi_client_); | 159 DCHECK_EQ(0u, midi_client_); |
160 OSStatus result = | 160 OSStatus result = |
161 MIDIClientCreate(CFSTR("Chrome"), ReceiveMidiNotifyDispatch, this, | 161 MIDIClientCreate(CFSTR("Chrome"), ReceiveMidiNotifyDispatch, this, |
162 &midi_client_); | 162 &midi_client_); |
163 if (result != noErr || midi_client_ == 0) | 163 if (result != noErr || midi_client_ == 0) |
164 return CompleteInitialization(MIDI_INITIALIZATION_ERROR); | 164 return CompleteInitialization(Result::INITIALIZATION_ERROR); |
165 | 165 |
166 // Create input and output port. | 166 // Create input and output port. |
167 DCHECK_EQ(0u, coremidi_input_); | 167 DCHECK_EQ(0u, coremidi_input_); |
168 result = MIDIInputPortCreate( | 168 result = MIDIInputPortCreate( |
169 midi_client_, | 169 midi_client_, |
170 CFSTR("MIDI Input"), | 170 CFSTR("MIDI Input"), |
171 ReadMidiDispatch, | 171 ReadMidiDispatch, |
172 this, | 172 this, |
173 &coremidi_input_); | 173 &coremidi_input_); |
174 if (result != noErr || coremidi_input_ == 0) | 174 if (result != noErr || coremidi_input_ == 0) |
175 return CompleteInitialization(MIDI_INITIALIZATION_ERROR); | 175 return CompleteInitialization(Result::INITIALIZATION_ERROR); |
176 | 176 |
177 DCHECK_EQ(0u, coremidi_output_); | 177 DCHECK_EQ(0u, coremidi_output_); |
178 result = MIDIOutputPortCreate( | 178 result = MIDIOutputPortCreate( |
179 midi_client_, | 179 midi_client_, |
180 CFSTR("MIDI Output"), | 180 CFSTR("MIDI Output"), |
181 &coremidi_output_); | 181 &coremidi_output_); |
182 if (result != noErr || coremidi_output_ == 0) | 182 if (result != noErr || coremidi_output_ == 0) |
183 return CompleteInitialization(MIDI_INITIALIZATION_ERROR); | 183 return CompleteInitialization(Result::INITIALIZATION_ERROR); |
184 | 184 |
185 // Following loop may miss some newly attached devices, but such device will | 185 // Following loop may miss some newly attached devices, but such device will |
186 // be captured by ReceiveMidiNotifyDispatch callback. | 186 // be captured by ReceiveMidiNotifyDispatch callback. |
187 uint32 destination_count = MIDIGetNumberOfDestinations(); | 187 uint32 destination_count = MIDIGetNumberOfDestinations(); |
188 destinations_.resize(destination_count); | 188 destinations_.resize(destination_count); |
189 for (uint32 i = 0; i < destination_count ; i++) { | 189 for (uint32 i = 0; i < destination_count ; i++) { |
190 MIDIEndpointRef destination = MIDIGetDestination(i); | 190 MIDIEndpointRef destination = MIDIGetDestination(i); |
191 if (destination == 0) { | 191 if (destination == 0) { |
192 // One ore more devices may be detached. | 192 // One ore more devices may be detached. |
193 destinations_.resize(i); | 193 destinations_.resize(i); |
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217 // Keep track of all sources (known as inputs in Web MIDI API terminology). | 217 // Keep track of all sources (known as inputs in Web MIDI API terminology). |
218 source_map_[source] = i; | 218 source_map_[source] = i; |
219 | 219 |
220 MidiPortInfo info = GetPortInfoFromEndpoint(source); | 220 MidiPortInfo info = GetPortInfoFromEndpoint(source); |
221 AddInputPort(info); | 221 AddInputPort(info); |
222 } | 222 } |
223 | 223 |
224 // Allocate maximum size of buffer that CoreMIDI can handle. | 224 // Allocate maximum size of buffer that CoreMIDI can handle. |
225 midi_buffer_.resize(kCoreMIDIMaxPacketListSize); | 225 midi_buffer_.resize(kCoreMIDIMaxPacketListSize); |
226 | 226 |
227 CompleteInitialization(MIDI_OK); | 227 CompleteInitialization(Result::OK); |
228 } | 228 } |
229 | 229 |
230 // static | 230 // static |
231 void MidiManagerMac::ReceiveMidiNotifyDispatch(const MIDINotification* message, | 231 void MidiManagerMac::ReceiveMidiNotifyDispatch(const MIDINotification* message, |
232 void* refcon) { | 232 void* refcon) { |
233 // This callback function is invoked on |client_thread_|. | 233 // This callback function is invoked on |client_thread_|. |
234 MidiManagerMac* manager = static_cast<MidiManagerMac*>(refcon); | 234 MidiManagerMac* manager = static_cast<MidiManagerMac*>(refcon); |
235 manager->ReceiveMidiNotify(message); | 235 manager->ReceiveMidiNotify(message); |
236 } | 236 } |
237 | 237 |
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377 DCHECK(midi_packet); | 377 DCHECK(midi_packet); |
378 | 378 |
379 MIDISend(coremidi_output_, destination, packet_list); | 379 MIDISend(coremidi_output_, destination, packet_list); |
380 } | 380 } |
381 | 381 |
382 client->AccumulateMidiBytesSent(data.size()); | 382 client->AccumulateMidiBytesSent(data.size()); |
383 } | 383 } |
384 | 384 |
385 } // namespace midi | 385 } // namespace midi |
386 } // namespace media | 386 } // namespace media |
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